Bluetooth earphone



FIG. 1 is a front perspective view of a Bluetooth earphone showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of a circle portion IX of FIG. 2.

The broken lines in the drawings depict portions of the Bluetooth earphone that form no part of the claimed design. 

CLAIM The ornamental design for a Bluetooth earphone, as shown and described. 